[  460.010671] netdevsim netdevsim420 eni420np1: renamed from eth0
[  460.011334] netdevsim netdevsim716 eni716np1: renamed from eth1
[  460.107662] Could not find device with ifindex 2000 in netnsfd 11
[  460.107796] Could not find netns with fd: 2000
[  460.107854] Cannot link a netdevsim to itself
[  460.107916] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).